1 files changed, 35 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/browser_partitionedDOMCache.js b/toolkit/components/antitracking/test/browser/browser_partitionedDOMCache.js
new file mode 100644
index 0000000000..ff6c8b9b75
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_partitionedDOMCache.js
@@ -0,0 +1,35 @@
+/* import-globals-from partitionedstorage_head.js */
+
+PartitionedStorageHelper.runTest(
+  "DOMCache",
+  async (win3rdParty, win1stParty, allowed) => {
+    // DOM Cache is not supported. Always blocked.
+    await win3rdParty.caches.open("wow").then(
+      _ => {
+        ok(allowed, "DOM Cache cannot be used!");
+      },
+      _ => {
+        ok(!allowed, "DOM Cache cannot be used!");
+      }
+    );
+
+    await win1stParty.caches.open("wow").then(
+      _ => {
+        ok(true, "DOM Cache should be available");
+      },
+      _ => {
+        ok(false, "DOM Cache should be available");
+      }
+    );
+  },
+
+  async _ => {
+    await new Promise(resolve => {
+      Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value =>
+        resolve()
+      );
+    });
+  },
+
+  [["dom.caches.testing.enabled", true]]
+);